Coffee maker



FIG. 1 is a perspective view of a coffee maker showing my new design in accordance with a first embodiment;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines in the figures are for illustrative purposes only and form no part of the claimed design. 

I claim the ornamental design for the coffee maker, as shown and described. 